Ryan Hunter-Reay (28) and James Hinchcliffe (5) come into Turn 1 at the start of the IndyCar Firestone Grand Prix of St. Petersburg, Sunday, March 11, 2018, in St. Petersburg, Fla.(Photo: Jason Behnken, AP)

Sebastien Bourdais takes advantage of a wreck among leaders Robert Wickens and Alexander Rossi on a late restart and wins the IndyCar Series opener at St. Petersburg, Fla. Graham Rahal is second and Rossi third.

The top six finishers (also James Hincliffe, Ryan Hunter-Reay and Scott Dixon) used Honda engines. Defending series champ Josef Newgarden was the top Chevy in sevent

Pretty remarkable calendar year for @BourdaisOnTrack. Wins the 2017 @GPSTPETE, sidelined with injuries after a horrific qualifying crash at @IMS. Returned much faster than anyone thought to race at the end of the 2017 season and opens 2018 with another @GPSTPETE win. Incredible!